On Friday April 18 2014 at 11:44 AM (PDT) the USArray seismic network recorded an
earthquake (preliminary ml 5.6) located near Noatak.

Initial source parameters for this tremor are indicated below.
The epicentral distance (i.e. distance separating the epicenter and
the closest station in the recording network, TOLK) for
the USArray is 545 km (4.91 degrees).

If you felt the quake, the USGS would like to know. Please add your comments to the USGS page
"Did you feel it?".

Proximity to Population Centers

Maps

Mercator projection regional view

The red star denotes the earthquake epicenter.
Triangle symbols are active stations at the time of the earthquake in the USArray
(excluding ANSS backbone stations and GSN stations, which are represented
by a diamond symbol) and colored by network. Blue lines are major rivers. Thin
black lines are state boundaries and thick black lines are national boundaries.

Network Legend

Transportable Array (TA)

UC San Diego (AZ)

CalTech (CI)

ANSS backbone stations (US)

Global Seismograph Network (IU)

Lamont-Doherty Coop Seismic Network (LD)

POLARIS Network (PO)

Regional satellite view

The red marker denotes the earthquake epicenter.

Detailed terrain view

The red marker denotes the earthquake epicenter.

Waveforms

You may view plots showing this event as recorded by USArray instruments: